No need for global authentication token

Each namespace/database has it’s own jwt signing authentication token, so a global token for the whole of the database is now unecessary.

cnf/cnf.go

@@ -53,7 +53,6 @@ type Options struct {
 		Auth string // Master authentication username:password
 		User string // Master authentication username
 		Pass string // Master authentication password
-		Token string
 	}
 
 	Node struct {